Home / 13,909.45-20,867.59-4,048.81

Finding the Fourth Proportional to 13,909.45, 20,867.59 and 4,048.81

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Solution

The fourth proportional to 13,909.45, 20,867.59 and 4,048.81 is: 6,074.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,909.45 : 20,867.59 = 4,048.81 : x
  2. Step 2: Convert to fraction form
    13,909.45/20,867.59 = 4,048.81/x
  3. Step 3: Cross multiply
    13,909.45x = 20,867.59 × 4,048.81
  4. Step 4: Simplify right side
    13,909.45x = 84,488,938.21
  5. Step 5: Solve for x
    x = 84,488,938.21/13,909.45
  6. Step 6: Final answer
    x = 6,074.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.